ExpressItBest Aluminum Dog Tag Necklace and Key Ring - US Army Chemical Corps, branch plaque 2" x 1.125" (5cm x 3cm) tag can be worn as necklace or used as keychain. Includes BOTH a key ring AND a 30" (76cm) chain with clasp closure. Made from high-grade aluminum with a gloss finish. Same image printed on both sides, the vibrant colors really pop. Great Gift for any occasion - Imprinted in the U.S.A.